判断题
Peptic ulcer is the second important cause which leads to massive hemorrhage from upper digestive tract。
错误(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
判断题 胃溃疡癌变发生于溃疡边缘。
判断题 Cure of infection of H.pylori is defined currently as absence of the organism by tests performed no sooner than 4 weeks after cessation of anticrobial therapy。
判断题 Cure of H.pylori infection is easy；single agents are effective。
